<template>
  <div class="rank" ref="rank">
      <scroll :data="topList" class="toplist" ref="toplist">
        <ul>
          <li class="item" v-for="(item,index) in topList" @click.stop="selectItem(item)">
            <div class="icon">
              <img width="100" height="100" v-lazy="item.picUrl"/>
            </div>
            <ul class="songlist">
              <li class="song" v-for="(song,ind) in item.songList">
                <span>{{ind+1}}</span>
                <span>{{song.songname}}-{{song.singername}}</span>
              </li>
            </ul>
          </li>
        </ul>
        <div class="loading-content" v-show="!topList.length"></div>
      </scroll>
      <router-view></router-view>
  </div>
</template>

<script type="text/ecmascript-6">
import {getTopList} from 'api/rank'
import {ERR_OK} from 'api/config'
import Scroll from 'base/scroll/scroll'
import Loading from 'base/loading/loading'
import {playlistMixin} from 'common/js/mixin'
import {mapMutations} from 'vuex'

export default {
  mixins:[playlistMixin],
  created() {
    this._getTopList()
  },
  data() {
    return {
      topList:[]
    }
  },

  methods:{
    handlePlaylist(playlist){
      const bottom =playlist.length?'60px':''
      this.$refs.rank.style.bottom = bottom;
      this.$refs.toplist.refresh();
    },

    selectItem(item){
      this.$router.push({
        path:`/rank/${item.id}`
      })
      this.setTopList(item)
    },
    _getTopList(){
      getTopList().then(res=>{
        if(res.code===ERR_OK){
          console.log(res.data.topList)
          this.topList=res.data.topList
        }
      })
    },

    ...mapMutations({
      setTopList:'SET_TOP_LIST'
    })
    
  },
  components:{
    Scroll,
    Loading
  }
};
</script>

<style lang="stylus" scoped rel="stylesheet/stylus">
@import '~common/stylus/variable';
@import '~common/stylus/mixin';

.rank {
  position: fixed;
  width: 100%;
  top: 88px;
  bottom: 0;

  .toplist {
    height: 100%;
    overflow: hidden;

    .item {
      display: flex;
      margin: 0 20px;
      padding-top: 20px;
      height: 100px;

      &:last-child {
        padding-bottom: 20px;
      }

      .icon {
        flex: 0 0 100px;
        width: 100px;
        height: 100px;
      }

      .songlist {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
        padding: 0 20px;
        height: 100px;
        overflow: hidden;
        background: $color-highlight-background;
        color: $color-text-d;
        font-size: $font-size-small;

        .song {
          text-align left ;
          no-wrap();
          line-height: 26px;
        }
      }
    }

    .loading-container {
      position: absolute;
      width: 100%;
      top: 50%;
      transform: translateY(-50%);
    }
  }
}
</style>


